Помогите очень прошу
1) 3sina*cos3a+9sina*cosa-sin3a*cos3a-3sin3a*cosa
2) (tg3a*(1-3tg^2(a))/(tga*(3-tg^2(a))
More Questions From This User See All
Помогите очень прошу
1) 3sina*cos3a+9sina*cosa-sin3a*cos3a-3sin3a*cosa
2) (tg3a*(1-3tg^2(a))/(tga*(3-tg^2(a))
Copyright © 2024 SCHOLAR.TIPS - All rights reserved.
Answers & Comments
1) 3sina*cos3a+9sina*cosa-sin3a*cos3a-3sin3a*cosa
1/2(3 sin(2a)-sin(6a))
16 sin^3(a) cos^3(a)
2 sin^3(2a)
a=Пn/2, n Е Z
2)смотри во вложении!